LONDON, April 13. /TASS/. UK Foreign Office has thanked the Russian authorities for evacuating six British nationals from Yemen, the FCO spokesperson told TASS on Monday.

"We can confirm that last weekend six British nationals left Yemen on a Russian ship. We thank the Russian authorities for their help," he said.

Over the last days, Russian planes evacuated around 600 people from Yemen, mostly women and children.

On March 31, UN evacuated its personnel from Yemen for security concerns. Russia started evacuating its nationals from the country as well. Several countries, including Germany, the United States, Turkey and Japan, suspended operation at their respective embassies in Yemen.

The humanitarian situation continues to deteriorate. The World Health Organization said that 643 people were killed in the conflict and 2,226 more injured as of April 6. The crisis in the Persian Gulf country has affected around 15.9 million people. More than 254,000 people fled the country, while 334,000 were internally displaced.